Can any one tell me how can i restore factory sttings on my moto a925

I installed handy day and now the phone doesnot start itself??

Does any body have any answers?

Thanks in advance

isohi

I have the same problem with my A925. This happened after I installed too many programs on it,and it did not start then.
The following message is appeared:
" program start up
reason code KERN-EXECreason number 3"
Would you please guide aboub that?
TX